381036209000 has 64 divisors (see below), whose sum is σ = 891781263360. Its totient is φ = 152387726400.

The previous prime is 381036208979. The next prime is 381036209051. The reversal of 381036209000 is 902630183.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6256697 + ... + 6317303.

It is an arithmetic number, because the mean of its divisors is an integer number (13934082240).

Almost surely, 2^381036209000 is an apocalyptic number.

It is an amenable number.

381036209000 is an abundant number, since it is smaller than the sum of its proper divisors (510745054360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381036209000 is a wasteful number, since it uses less digits than its factorization.

381036209000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66915 (or 66901 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 381036209000 its reverse (902630183), we get a palindrome (381938839183).

The spelling of 381036209000 in words is "three hundred eighty-one billion, thirty-six million, two hundred nine thousand".